Distance from Houston to San Antonio by Car and Plane
The flight distance from Houston (TX) to San Antonio (TX) is 190 miles or 306 kilometers or 165 nautical miles.
Driving distance from Houston to San Antonio is 196 miles (317 kilometers).
Difference between fly and travel by a car is 6 miles or 11 km.
Flight distance from Houston, TX to San Antonio, TX in miles and km?
The air travel (bird fly) shortest distance between Houston and San Antonio is 190 miles or 306 km.The nearest airport to Houston, is George Bush Intercontinental Houston Airport (IAH) and the nearest airport to San Antonio, is San Antonio International Airport (SAT).
What is the average flight time from Houston to San Antonio?
Flight time from Houston, TX to San Antonio, TX is 0 hours 26 minutes under average conditions.
Exact flight times may vary depending on aircraft type, weather conditions, baggage load, and other environmental factors.
Houston to San Antonio Flight Route Map
Map Showing the Distance Between Houston, TX and San Antonio, TXThis map shows the distance from Houston, TX, Usa to San Antonio, TX, Usa. You can also see the distance in miles and km below the map. Flight route map from Houston, Texas to San Antonio, Texas is displayed below.
Driving distance from Houston, TX to San Antonio, TX
The driving distance from Houston, Texas to San Antonio, Texas is 196 miles or 317 km.
The total driving distance from Houston, TX to San Antonio, TX is 196 miles or 317 kilometers. Your trip begins in Houston, Texas. It ends in San Antonio, Texas.
The driving distance from Houston, Texas to San Antonio, Texas is approximately 196 miles (317 kilometers), depending on the specific route you take. Without considering any traffic or other delays, driving this distance typically takes around 3 to 4 hours under normal conditions.
Driving time from Houston, TX to San Antonio, TX
How long is the drive from Houston, TX to San Antonio, TX?The total driving time is 3 hours, 34 minutes.
How long does a car ride from Houston to San Antonio take?
Houston and San Antonio are 3 hours 34 mins far apart, if you drive non-stop.
Attention! According to the recommendations of experts, you should stop and take a break every 2 hours on average, take a fresh air and walk a little to protect your alertness and health during long trips by car. In addition, you can drink some coffee to prevent you from sleeping. People who drive constantly without taking a break lose their focus and can eventually cause accidents. Also, please drive carefully and follow the speed rules.
Time Difference between Houston and San Antonio
Time difference between Houston (TX) and San Antonio (TX) is 1 Hours.
San Antonio time is 1 Hours behind Houston.
| Current local time in Houston | Current local time in San Antonio |
|---|---|
| 2026-04-01, 01:41:50 CDT | 2026-04-01, 00:41:50 MDT |
How Far is it Between Houston Texas, USA and San Antonio Texas, USA?
You can compare air and road distance between Houston, TX and San Antonio, TX in this summary table of distances in miles, kilometers and nautical miles.
| Distance type | Miles | Kilometers | Nautical miles |
|---|---|---|---|
| Driving distance | 196 mi | 317 km | 170.21 nmi |
| Straight line distance | 190 mi | 306 km | 165 nmi |
| Difference | 6 mi | 11 km | 5 nmi |
Houston Details
Houston is located in Texas, USA.
| GPS Coordinates | Latitude: N 29° 47' 8.7'' Longitude: W 95° 23' 19.7'' |
|---|---|
| Latitude | 29.78574 |
| Longitude | -95.38881 |
| State | Texas |
View Houston Map
San Antonio Details
San Antonio is located in Texas, USA.
| GPS Coordinates | Latitude: N 29° 27' 57.4'' Longitude: W 98° 31' 28.9'' |
|---|---|
| Latitude | 29.46594 |
| Longitude | -98.5247 |
| State | Texas |
View San Antonio Map
Frequently Asked Questions (FAQs)
Popular Searches from Houston
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Estimated Travel Time by Car Between Houston, TX and San Antonio, TX
| Average Speed | Travel Time |
|---|---|
| 30 mph (48 km/h) | 6 hours 36 minutes |
| 40 mph (64 km/h) | 4 hours 57 minutes |
| 45 mph (72 km/h) | 4 hours 24 minutes |
| 50 mph (80 km/h) | 3 hours 57 minutes |
| 55 mph (88 km/h) | 3 hours 36 minutes |
| 60 mph (96 km/h) | 3 hours 18 minutes |
| 65 mph (104 km/h) | 3 hours 2 minutes |
| 70 mph (112 km/h) | 2 hours 49 minutes |
| 75 mph (120 km/h) | 2 hours 38 minutes |
| 80 mph (128 km/h) | 2 hours 28 minutes |
| 85 mph (136 km/h) | 2 hours 19 minutes |